The persistent current and energy spectrum on a driven mesoscopic LC-circuit with Josephson junction

被引:1
|
作者
Pahlavani, Hassan [1 ]
机构
[1] Univ Qom, Dept Phys, Ghadir Blvd, Qom 3716146611, Iran
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2018年 / 32卷 / 06期
关键词
Charge discreteness; Josephson junction; Cooper pair; persistent current; coupling energy; Coulomb energy; superconductor; NUMBER-PHASE QUANTIZATION; ELECTRIC-CIRCUIT; RLC CIRCUIT; CHARGE DISCRETENESS; QUANTUM-THEORY; STATE;
D O I
10.1142/S0217979218500662
中图分类号
O59 [应用物理学];
学科分类号
摘要
The quantum theory for a mesoscopic electric circuit including a Josephson junction with charge discreteness is studied. By considering coupling energy of the mesoscopic capacitor in Josephson junction device, a Hamiltonian describing the dynamics of a quantum mesoscopic electric LC-circuit with charge discreteness is introduced. We first calculate the persistent current on a quantum driven ring including Josephson junction. Then we obtain the persistent current and energy spectrum of a quantum mesoscopic electrical circuit which includes capacitor, inductor, time-dependent external source and Josephson junction.
引用
收藏
页数:13
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